RRB Government Jobs Exams

If f(x) = (x - 1) / (x + 2), then the range of f is given by the interval

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eln(3) - ln(2) + ln(1/x) = ln((x - 1)2) = 2 ln(x - 1) for all x in the interval
option
A. (-, +)
B. [0 , +)
C. (-, 1)U(1, +)
D. (1 , +)